#508A50
Closest named color: Fern Green (#548D44). oklch(57.8% 0.106 144.1), rgb(80, 138, 80).
Aa
Black text reads best on this color (5.09:1).
About this color
#508A50 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.106 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.019 away. Black text reads best on it, at 5.09:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #508A50 |
| RGB | rgb(80, 138, 80) |
| HSL | hsl(120, 27%, 43%) |
| OKLCH | oklch(57.8% 0.106 144.1) |
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 #508A50 | 4.12:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #508A50 | 5.09:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #508A50 text on white | 4.12:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #508A50 text on black | 5.09:1 | 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
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#CFDECE
oklch(88.5% 0.027 143.6)
-
Step 300
300
#AFC9AE
oklch(80.9% 0.047 144.1)
-
Step 400
400
#84AD82
oklch(70.6% 0.076 143.6)
-
Step 500
500
#649963
oklch(63.1% 0.097 143.9)
-
Step 600
600 (this color)
#508A50
oklch(57.8% 0.106 144.1)
-
Step 700
700
#3A6F3B
oklch(49.1% 0.099 144.3)
-
Step 800
800
#315A31
oklch(42.6% 0.081 144)
-
Step 900
900
#2B4A2B
oklch(37.6% 0.064 144.2)
-
Step 950
950
#1A2C1A
oklch(27.1% 0.04 144.4)
#508A50 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) | #8C804C | 0.081 |
| Deuteranopia (no green cones) | #847B54 | 0.080 |
| Tritanopia (no blue cones) | #49877C | 0.066 |
| Achromatopsia (no color) | #7D7D7D | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508A50
#508A50
oklch(57.8% 0.106 144.1)
- #99639D
#99639D
oklch(57.9% 0.106 324.4)
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 #508A50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.019
- Light Forest Green #4F9153 ΔE 0.020
- Dark Sage #598556 ΔE 0.022
- Sea Green #2E8B57 ΔE 0.027
- Moss Green #658B38 ΔE 0.033
- Swamp #698339 ΔE 0.034
- Viridian #1E9167 ΔE 0.039
- Khaki Green #728639 ΔE 0.042
Use #508A50 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.