#508F57
Closest named color: Light Forest Green (#4F9153). oklch(59.3% 0.107 146.6), rgb(80, 143, 87).
Aa
Black text reads best on this color (5.40:1).
About this color
#508F57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.107 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.009 away. Black text reads best on it, at 5.40:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #508F57 |
| RGB | rgb(80, 143, 87) |
| HSL | hsl(127, 28%, 44%) |
| OKLCH | oklch(59.3% 0.107 146.6) |
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 #508F57 | 3.88:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #508F57 | 5.40:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #508F57 text on white | 3.88:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #508F57 text on black | 5.40:1 | AA | Lc -35.5 | 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
#E4ECE4
oklch(93.5% 0.014 145.5)
-
Step 200
200
#CEDECF
oklch(88.4% 0.027 147.1)
-
Step 300
300
#ADC9AF
oklch(80.8% 0.047 147.1)
-
Step 400
400
#81AE84
oklch(70.7% 0.077 146.4)
-
Step 500
500
#609A66
oklch(63.2% 0.098 146.7)
-
Step 600
600 (this color)
#508F57
oklch(59.3% 0.107 146.6)
-
Step 700
700
#36703D
oklch(49.2% 0.101 146.4)
-
Step 800
800
#2E5B33
oklch(42.8% 0.082 146.4)
-
Step 900
900
#294B2D
oklch(37.8% 0.064 146.9)
-
Step 950
950
#192C1A
oklch(27.1% 0.041 145.5)
#508F57 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) | #918553 | 0.085 |
| Deuteranopia (no green cones) | #877F5A | 0.082 |
| Tritanopia (no blue cones) | #478C81 | 0.064 |
| Achromatopsia (no color) | #818181 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508F57
#508F57
oklch(59.3% 0.107 146.6)
- #9F669F
#9F669F
oklch(59.2% 0.107 326.8)
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 #508F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.009
- Fern Green #548D44 ΔE 0.022
- Dark Sage #598556 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.032
- Viridian #1E9167 ΔE 0.035
- Moss Green #658B38 ΔE 0.035
- Ocean Green #3D9973 ΔE 0.039
- Slate Green #658D6D ΔE 0.043
Use #508F57 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.