#508657
Closest named color: Dark Sage (#598556). oklch(56.9% 0.092 147.3), rgb(80, 134, 87).
Aa
Black text reads best on this color (4.88:1).
About this color
#508657 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.092 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.010 away. Black text reads best on it, at 4.88:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #508657 |
| RGB | rgb(80, 134, 87) |
| HSL | hsl(128, 25%, 42%) |
| OKLCH | oklch(56.9% 0.092 147.3) |
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 #508657 | 4.29:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #508657 | 4.88:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #508657 text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #508657 text on black | 4.88:1 | AA | Lc -32.1 | 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
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#D0DED1
oklch(88.6% 0.023 147.4)
-
Step 300
300
#B0C8B2
oklch(80.9% 0.04 147.5)
-
Step 400
400
#85AC89
oklch(70.6% 0.066 147.6)
-
Step 500
500
#66986C
oklch(63.2% 0.085 147.5)
-
Step 600
600 (this color)
#508657
oklch(56.9% 0.092 147.3)
-
Step 700
700
#3D6E44
oklch(49.2% 0.085 147.4)
-
Step 800
800
#335A38
oklch(42.9% 0.071 147.2)
-
Step 900
900
#2D4A30
oklch(37.8% 0.056 146.8)
-
Step 950
950
#1B2B1C
oklch(27% 0.035 146.1)
#508657 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) | #877D54 | 0.074 |
| Deuteranopia (no green cones) | #7F785A | 0.073 |
| Tritanopia (no blue cones) | #48847A | 0.053 |
| Achromatopsia (no color) | #7A7A7A | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508657
#508657
oklch(56.9% 0.092 147.3)
- #946393
#946393
oklch(56.9% 0.092 327.4)
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 #508657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.010
- Sea Green #2E8B57 ΔE 0.030
- Light Forest Green #4F9153 ΔE 0.036
- Fern Green #548D44 ΔE 0.037
- Military Green #667C3E ΔE 0.038
- Swamp #698339 ΔE 0.039
- Viridian #1E9167 ΔE 0.041
- Slate Green #658D6D ΔE 0.044
Use #508657 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.