#21B34C#21B34C

#21B34C is a light, vivid green. Relative luminance 0.331; OKLCH L 67.2% C 0.186 H 147.7°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#21B34C
RGB	rgb(33, 179, 76)
HSL	hsl(138, 69%, 42%)
HSV	hsv(138, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 57.5%, 29.8%)
CIE-LAB	lab(64.23, -58.41, 41.72)
CIE-LCH	lch(64.23, 71.78, 144.46°)
OKLab	oklab(67.22% -0.1569 0.0992)
OKLCH	oklch(67.22% 0.186 147.7)
XYZ	xyz(18.0504, 33.0831, 12.2704)
Luminance	0.3308 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B34C #B32188

analogous

#3FB321 #21B34C #21B395

triadic

#21B34C #4C21B3 #B34C21

tetradic

#21B34C #213FB3 #B32188 #B39521

square

#21B34C #213FB3 #B32188 #B39521

split-complementary

#21B34C #9521B3 #B3213F

monochromatic

#0E4C20 #177F36 #21B34C #37DA67 #6BE48E

Accessibility & contrast

On white

2.76

#21B34C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#21B34C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B34C

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B34C	#FFFFFF	#000000	##000000
##21B34C	1.00	2.76	7.62	7.62
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A242

Deuteranopia (green-blind)

#A59754

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b34c;
/* rgb */ color: rgb(33, 179, 76);
/* oklch */ color: oklch(67.2% 0.186 147.7);

Tailwind

colors: {
  custom: {
    50: '#77cb81',
    500: '#21b34c',
    950: '#000000',
  },
}

SCSS

$custom: #21b34c;
$custom-light: #77cb81;
$custom-dark: #000000;

JSON

{
  "hex": "#21b34c",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 76
  },
  "hsl": {
    "h": 137.671,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67221,
    "c": 0.18564,
    "h": 147.7
  },
  "luminance": 0.33085
}

Semantic roles & 50–950 ramp

primary

#21B34C

secondary

#CA66AC

accent

#3CB8EC

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0A130A

muted

#7C827C

Preview Lab

Preview with #21B34C

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

Preview Lab → · Contrast checker → · Palette generator →