#21A01B#21A01B

#21A01B is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.6% C 0.196 H 142.3°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#21A01B
RGB	rgb(33, 160, 27)
HSL	hsl(117, 71%, 37%)
HSV	hsv(117, 83%, 63%)
CMYK	cmyk(79.4%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(57.60, -57.04, 54.05)
CIE-LCH	lch(57.60, 78.59, 136.54°)
OKLab	oklab(61.59% -0.1551 0.1197)
OKLCH	oklch(61.59% 0.196 142.3)
XYZ	xyz(13.3950, 25.5425, 5.2609)
Luminance	0.2554 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A01B #9A1BA0

analogous

#64A01B #21A01B #1BA058

triadic

#21A01B #1B21A0 #A01B21

tetradic

#21A01B #1B64A0 #9A1BA0 #A0581B

square

#21A01B #1B64A0 #9A1BA0 #A0581B

split-complementary

#21A01B #581BA0 #A01B64

monochromatic

#0B3709 #166C12 #21A01B #2CD424 #5AE253

Accessibility & contrast

On white

3.44

#21A01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#21A01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A01B

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A01B	#FFFFFF	#000000	##000000
##21A01B	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#96872C

Tritanopia (blue-blind)

#009B88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #21a01b;
/* rgb */ color: rgb(33, 160, 27);
/* oklch */ color: oklch(61.6% 0.196 142.3);

Tailwind

colors: {
  custom: {
    50: '#75bd64',
    500: '#21a01b',
    950: '#000000',
  },
}

SCSS

$custom: #21a01b;
$custom-light: #75bd64;
$custom-dark: #000000;

JSON

{
  "hex": "#21a01b",
  "rgb": {
    "r": 33,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 117.293,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.61589,
    "c": 0.19591,
    "h": 142.3
  },
  "luminance": 0.25544
}

Semantic roles & 50–950 ramp

primary

#21A01B

secondary

#C052C5

accent

#3AEEE6

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #21A01B

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

Preview Lab → · Contrast checker → · Palette generator →