#66CDAA

Emerald

#66CDAAEmerald

Luminance

0.494

Category

Green

Type

Dark

Best On

#FFFFFF

Color Codes

All color formats for your project

HEX

HEX
#66CDAA
No #
66CDAA

RGB

RGB
rgb(102, 205, 170)
Values
R:102 G:205 B:170

HSL

HSL
hsl(160, 51%, 60%)
Values
H:160° S:51% L:60%

HSV / HSB

HSV
hsv(160, 50%, 80%)
Values
H:160° S:50% V:80%

CMYK

CMYK
cmyk(50%, 0%, 17%, 20%)
Values
C:50 M:0 Y:17 K:20

LAB

LAB
lab(76, -38, 8)
Values
L:76 a:-38 b:8

OKLCH

OKLCH
oklch(77.7% 0.110 168.8)
Values
L:77.7% C:0.110 H:168.8°

Code Formats

CSS
color: #66CDAA;
Swift
UIColor(red: 0.400, green: 0.804, blue: 0.667, alpha: 1.0)
Kotlin
Color(0xFF66CDAA)
Flutter
Color(0xFF66CDAA)
Android
#FF66CDAA

Contrast Analysis

WCAG compliance with grayscale colors

On White

1.93:1

Fail

On Black

10.88:1

AAA

Grayscale Contrast

Aa

0%

10.9

AAA
Aa

10%

9.0

AAA
Aa

20%

6.5

AA
Aa

30%

4.4

AA-large
Aa

40%

3.0

Fail
Aa

50%

2.1

Fail
Aa

60%

1.5

Fail
Aa

70%

1.1

Fail
Aa

80%

1.2

Fail
Aa

90%

1.5

Fail
Aa

100%

1.9

Fail

Best Grayscale Contrast

#000000 with ratio 10.88:1

Aa

Color Harmonies

Harmonious color combinations

complementary

Two colors opposite on the color wheel (180°)

split-complementary

Base color + two colors adjacent to its complement

triadic

Three colors evenly spaced (120° apart)

tetradic

Four colors evenly spaced (90° apart)

analogous

Three colors adjacent on the color wheel (30° apart)

Color Variations

Tints, shades, tones, and full scale

Color Scale (50-900)

50

100

200

300

400

500

600

700

800

900

Tints (Lighter)

Shades (Darker)

Tones (Desaturated)

Gradients (OKLCH)

Primary

90°
CSS
linear-gradient(90deg, #B2E6D5 0%, #329A77 100%)
OKLCH
linear-gradient(90deg, oklch(88.4% 0.058 172.9) 0%, oklch(61.7% 0.109 166.7) 100%)
Stops
0%
100%

Vibrant

135°
CSS
linear-gradient(135deg, #80E5C3 0%, #1FE0A0 100%)
OKLCH
linear-gradient(135deg, oklch(85.1% 0.108 169.8) 0%, oklch(80.4% 0.168 163.3) 100%)
Stops
0%
100%

Complementary

90°
CSS
linear-gradient(90deg, #66CDAA 0%, #CD6588 100%)
OKLCH
linear-gradient(90deg, oklch(77.7% 0.110 168.8) 0%, oklch(64.0% 0.136 0.4) 100%)
Stops
0%
100%

Analogous

90°
CSS
linear-gradient(90deg, #65CD76 0%, #66CDAA 50%, #65BCCD 100%)
OKLCH
linear-gradient(90deg, oklch(76.5% 0.156 147.4) 0%, oklch(77.7% 0.110 168.8) 50%, oklch(74.7% 0.087 211.8) 100%)
Stops
0%
50%
100%

Sunset

90°
CSS
linear-gradient(90deg, #F6CE55 0%, #EE6C2B 50%, #E6193C 100%)
OKLCH
linear-gradient(90deg, oklch(86.4% 0.144 90.6) 0%, oklch(68.0% 0.177 43.8) 50%, oklch(59.1% 0.228 21.2) 100%)
Stops
0%
50%
100%

Ocean

135°
CSS
linear-gradient(135deg, #19A1E6 0%, #22C3B6 50%, #47D1A3 100%)
OKLCH
linear-gradient(135deg, oklch(67.5% 0.146 238.9) 0%, oklch(73.8% 0.124 186.2) 50%, oklch(77.5% 0.136 166.9) 100%)
Stops
0%
50%
100%

Dark Mode

180°
CSS
linear-gradient(180deg, #65CDAA 0%, #182521 100%)
OKLCH
linear-gradient(180deg, oklch(77.6% 0.110 169.0) 0%, oklch(25.1% 0.020 173.6) 100%)
Stops
0%
100%

Radial Glow

Radial
CSS
radial-gradient(circle, #9FE0CA 0%, #38AD86 100%)
OKLCH
radial-gradient(circle, oklch(85.7% 0.073 171.5) 0%, oklch(67.2% 0.119 166.8) 100%)
Stops
0%
100%

💡 About OKLCH Gradients

OKLCH (Oklch Color Space) provides perceptually uniform gradients with better color transitions than traditional RGB/HSL gradients. The format is oklch(L% C H) where L = Lightness (0-100%), C = Chroma (0-0.4), H = Hue (0-360°).

Generate Full Palette

Create a complete brand palette from this color with primary, secondary, accent, and neutral scales.

View Palette