#42CE51#42CE51

#42CE51 is a light, highly saturated green. Relative luminance 0.459; OKLCH L 75.1% C 0.205 H 144.8°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#42CE51
RGB	rgb(66, 206, 81)
HSL	hsl(126, 59%, 53%)
HSV	hsv(126, 68%, 81%)
CMYK	cmyk(68%, 0%, 60.7%, 19.2%)
CIE-LAB	lab(73.48, -61.92, 50.33)
CIE-LCH	lch(73.48, 79.80, 140.89°)
OKLab	oklab(75.08% -0.1675 0.1181)
OKLCH	oklch(75.08% 0.205 144.8)
XYZ	xyz(25.8016, 45.8922, 15.2813)
Luminance	0.4590 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CE51 #CE42BF

analogous

#79CE42 #42CE51 #42CE97

triadic

#42CE51 #5142CE #CE5142

tetradic

#42CE51 #4279CE #CE42BF #CE9742

square

#42CE51 #4279CE #CE42BF #CE9742

split-complementary

#42CE51 #9742CE #CE4279

monochromatic

#1F7728 #2BA739 #42CE51 #73DB7E #A3E7AA

Accessibility & contrast

On white

2.06

#42CE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#42CE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CE51

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CE51	#FFFFFF	#000000	##000000
##42CE51	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB43

Deuteranopia (green-blind)

#C1B05B

Tritanopia (blue-blind)

#13C9B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42ce51;
/* rgb */ color: rgb(66, 206, 81);
/* oklch */ color: oklch(75.1% 0.205 144.8);

Tailwind

colors: {
  custom: {
    50: '#88de86',
    500: '#42ce51',
    950: '#000000',
  },
}

SCSS

$custom: #42ce51;
$custom-light: #88de86;
$custom-dark: #000000;

JSON

{
  "hex": "#42ce51",
  "rgb": {
    "r": 66,
    "g": 206,
    "b": 81
  },
  "hsl": {
    "h": 126.429,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.75075,
    "c": 0.20495,
    "h": 144.8
  },
  "luminance": 0.45895
}

Semantic roles & 50–950 ramp

primary

#42CE51

secondary

#D498CE

accent

#46D1E2

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #42CE51

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →