#508257
Closest named color: Dark Sage (#598556). oklch(55.9% 0.085 147.7), rgb(80, 130, 87).
Aa
Black text reads best on this color (4.67:1).
About this color
#508257 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.085 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.015 away. Black text reads best on it, at 4.67:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #508257 |
| RGB | rgb(80, 130, 87) |
| HSL | hsl(128, 24%, 41%) |
| OKLCH | oklch(55.9% 0.085 147.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #508257 | 4.49:1 | AA large text | Lc -76.6 | Fine for body text |
| Black text on #508257 | 4.67:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #508257 text on white | 4.49:1 | AA large text | Lc 71.1 | Content text, not long reading |
| #508257 text on black | 4.67:1 | AA | Lc -30.6 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#D0DDD1
oklch(88.4% 0.021 147.6)
-
Step 300
300
#B1C8B3
oklch(81% 0.038 147.7)
-
Step 400
400
#87AC8B
oklch(70.8% 0.062 147.8)
-
Step 500
500
#68976E
oklch(63.1% 0.08 147.8)
-
Step 600
600 (this color)
#508257
oklch(55.9% 0.085 147.7)
-
Step 700
700
#406D46
oklch(49.1% 0.079 147.4)
-
Step 800
800
#35593A
oklch(42.7% 0.066 147.7)
-
Step 900
900
#2E4932
oklch(37.6% 0.051 148.2)
-
Step 950
950
#1B2B1D
oklch(27% 0.034 147.8)
#508257 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #837A54 | 0.069 |
| Deuteranopia (no green cones) | #7C7559 | 0.068 |
| Tritanopia (no blue cones) | #498077 | 0.050 |
| Achromatopsia (no color) | #777777 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508257
#508257
oklch(55.9% 0.085 147.7)
- #8F628E
#8F628E
oklch(55.9% 0.085 327.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #508257, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.015
- Military Green #667C3E ΔE 0.035
- Sea Green #2E8B57 ΔE 0.037
- Swamp #698339 ΔE 0.044
- Fern Green #548D44 ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.048
- Viridian #1E9167 ΔE 0.049
- Slate Green #658D6D ΔE 0.050
Use #508257 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.