#21B234#21B234

#21B234 is a light, highly saturated green. Relative luminance 0.324; OKLCH L 66.7% C 0.202 H 144.3°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#21B234
RGB	rgb(33, 178, 52)
HSL	hsl(128, 69%, 41%)
HSV	hsv(128, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 70.8%, 30.2%)
CIE-LAB	lab(63.68, -60.82, 51.57)
CIE-LCH	lch(63.68, 79.74, 139.70°)
OKLab	oklab(66.69% -0.1643 0.1179)
OKLCH	oklch(66.69% 0.202 144.3)
XYZ	xyz(17.1662, 32.4100, 8.5992)
Luminance	0.3241 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B234 #B2219F

analogous

#57B221 #21B234 #21B27D

triadic

#21B234 #3421B2 #B23421

tetradic

#21B234 #2157B2 #B2219F #B27D21

square

#21B234 #2157B2 #B2219F #B27D21

split-complementary

#21B234 #7D21B2 #B22157

monochromatic

#0E4B16 #177E25 #21B234 #36DA4C #6AE37A

Accessibility & contrast

On white

2.81

#21B234 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#21B234 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B234

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B234	#FFFFFF	#000000	##000000
##21B234	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A120

Deuteranopia (green-blind)

#A69641

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21b234;
/* rgb */ color: rgb(33, 178, 52);
/* oklch */ color: oklch(66.7% 0.202 144.3);

Tailwind

colors: {
  custom: {
    50: '#78ca72',
    500: '#21b234',
    950: '#000000',
  },
}

SCSS

$custom: #21b234;
$custom-light: #78ca72;
$custom-dark: #000000;

JSON

{
  "hex": "#21b234",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 52
  },
  "hsl": {
    "h": 127.862,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.66694,
    "c": 0.20218,
    "h": 144.3
  },
  "luminance": 0.32412
}

Semantic roles & 50–950 ramp

primary

#21B234

secondary

#C966BC

accent

#3CD5EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #21B234

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

Preview Lab → · Contrast checker → · Palette generator →