#257D31#257D31

#257D31 is a mid, vivid green. Relative luminance 0.153; OKLCH L 52.0% C 0.139 H 145.4°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#257D31
RGB	rgb(37, 125, 49)
HSL	hsl(128, 54%, 32%)
HSV	hsv(128, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 60.8%, 51%)
CIE-LAB	lab(46.02, -42.41, 33.45)
CIE-LCH	lch(46.02, 54.01, 141.74°)
OKLab	oklab(52.05% -0.1146 0.0791)
OKLCH	oklch(52.05% 0.139 145.4)
XYZ	xyz(8.6504, 15.2814, 5.3989)
Luminance	0.1528 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D31 #7D2571

analogous

#457D25 #257D31 #257D5D

triadic

#257D31 #31257D #7D3125

tetradic

#257D31 #25457D #7D2571 #7D5D25

square

#257D31 #25457D #7D2571 #7D5D25

split-complementary

#257D31 #5D257D #7D2545

monochromatic

#091F0C #174E1E #257D31 #33AC44 #51CB62

Accessibility & contrast

On white

5.18

#257D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#257D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D31

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D31	#FFFFFF	#000000	##FFFFFF
##257D31	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7129

Deuteranopia (green-blind)

#756A37

Tritanopia (blue-blind)

#077A6C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #257d31;
/* rgb */ color: rgb(37, 125, 49);
/* oklch */ color: oklch(52.0% 0.139 145.4);

Tailwind

colors: {
  custom: {
    50: '#6ca36c',
    500: '#257d31',
    950: '#000000',
  },
}

SCSS

$custom: #257d31;
$custom-light: #6ca36c;
$custom-dark: #000000;

JSON

{
  "hex": "#257d31",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 49
  },
  "hsl": {
    "h": 128.182,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.52049,
    "c": 0.13922,
    "h": 145.4
  },
  "luminance": 0.15282
}

Semantic roles & 50–950 ramp

primary

#257D31

secondary

#AF4FA2

accent

#4ACADE

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#080F07

muted

#7A7F7A

Preview Lab

Preview with #257D31

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

Preview Lab → · Contrast checker → · Palette generator →