#57AA1B#57AA1B

#57AA1B is a light, vivid yellow-green. Relative luminance 0.309; OKLCH L 66.0% C 0.186 H 136.1°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#57AA1B
RGB	rgb(87, 170, 27)
HSL	hsl(95, 73%, 39%)
HSV	hsv(95, 84%, 67%)
CMYK	cmyk(48.8%, 0%, 84.1%, 33.3%)
CIE-LAB	lab(62.38, -48.08, 58.96)
CIE-LCH	lch(62.38, 76.08, 129.19°)
OKLab	oklab(65.98% -0.1342 0.1294)
OKLCH	oklch(65.98% 0.186 136.1)
XYZ	xyz(18.5025, 30.8536, 6.0171)
Luminance	0.3085 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AA1B #6E1BAA

analogous

#9EAA1B #57AA1B #1BAA26

triadic

#57AA1B #1B57AA #AA1B57

tetradic

#57AA1B #1B9EAA #6E1BAA #AA261B

square

#57AA1B #1B9EAA #6E1BAA #AA261B

split-complementary

#57AA1B #261BAA #AA1B9E

monochromatic

#21400A #3C7513 #57AA1B #72DC26 #95E55B

Accessibility & contrast

On white

2.93

#57AA1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#57AA1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AA1B

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AA1B	#FFFFFF	#000000	##000000
##57AA1B	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A5942D

Tritanopia (blue-blind)

#53A391

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #57aa1b;
/* rgb */ color: rgb(87, 170, 27);
/* oklch */ color: oklch(66.0% 0.186 136.1);

Tailwind

colors: {
  custom: {
    50: '#8fc466',
    500: '#57aa1b',
    950: '#000000',
  },
}

SCSS

$custom: #57aa1b;
$custom-light: #8fc466;
$custom-dark: #000000;

JSON

{
  "hex": "#57aa1b",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 27
  },
  "hsl": {
    "h": 94.825,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.65978,
    "c": 0.18643,
    "h": 136.1
  },
  "luminance": 0.30855
}

Semantic roles & 50–950 ramp

primary

#57AA1B

secondary

#9958C9

accent

#39EFA3

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #57AA1B

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

Preview Lab → · Contrast checker → · Palette generator →