#508A55
Closest named color: Dark Sage (#598556). oklch(57.9% 0.101 146.1), rgb(80, 138, 85).
Aa
Black text reads best on this color (5.10:1).
About this color
#508A55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.101 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.018 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #508A55 |
| RGB | rgb(80, 138, 85) |
| HSL | hsl(125, 27%, 43%) |
| OKLCH | oklch(57.9% 0.101 146.1) |
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 #508A55 | 4.11:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #508A55 | 5.10:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #508A55 text on white | 4.11:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #508A55 text on black | 5.10:1 | AA | Lc -33.5 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#CFDECF
oklch(88.5% 0.026 145.4)
-
Step 300
300
#AFC9B0
oklch(81% 0.045 146.2)
-
Step 400
400
#84AD86
oklch(70.7% 0.072 146)
-
Step 500
500
#639967
oklch(63.2% 0.094 146.1)
-
Step 600
600 (this color)
#508A55
oklch(57.9% 0.101 146.1)
-
Step 700
700
#3A6F3F
oklch(49.2% 0.094 146)
-
Step 800
800
#315A34
oklch(42.7% 0.077 145.7)
-
Step 900
900
#2B4A2E
oklch(37.6% 0.06 146.5)
-
Step 950
950
#1A2B1B
oklch(26.9% 0.037 145.9)
#508A55 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) | #8C8151 | 0.080 |
| Deuteranopia (no green cones) | #837B58 | 0.078 |
| Tritanopia (no blue cones) | #48877D | 0.061 |
| Achromatopsia (no color) | #7D7D7D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508A55
#508A55
oklch(57.9% 0.101 146.1)
- #99649A
#99649A
oklch(57.9% 0.101 326.2)
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 #508A55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.018
- Light Forest Green #4F9153 ΔE 0.022
- Fern Green #548D44 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.027
- Viridian #1E9167 ΔE 0.037
- Swamp #698339 ΔE 0.037
- Moss Green #658B38 ΔE 0.038
- Slate Green #658D6D ΔE 0.044
Use #508A55 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.