#4C8A51
Closest named color: Fern Green (#548D44). oklch(57.6% 0.107 145.8), rgb(76, 138, 81).
Aa
Black text reads best on this color (5.06:1).
About this color
#4C8A51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.107 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.021 away. Black text reads best on it, at 5.06:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #4C8A51 |
| RGB | rgb(76, 138, 81) |
| HSL | hsl(125, 29%, 42%) |
| OKLCH | oklch(57.6% 0.107 145.8) |
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 #4C8A51 | 4.14:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #4C8A51 | 5.06:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #4C8A51 text on white | 4.14:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #4C8A51 text on black | 5.06:1 | AA | Lc -33.3 | 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
#AEC9AE
oklch(80.8% 0.047 145.1)
-
Step 400
400
#82AE84
oklch(70.8% 0.077 145.8)
-
Step 500
500
#619964
oklch(63% 0.098 145.5)
-
Step 600
600 (this color)
#4C8A51
oklch(57.6% 0.107 145.8)
-
Step 700
700
#376F3C
oklch(49% 0.099 145.7)
-
Step 800
800
#2E5B32
oklch(42.7% 0.083 145.8)
-
Step 900
900
#2A4B2C
oklch(37.8% 0.065 145.5)
-
Step 950
950
#192C1A
oklch(27.1% 0.041 145.5)
#4C8A51 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) | #8C804D | 0.084 |
| Deuteranopia (no green cones) | #837A55 | 0.083 |
| Tritanopia (no blue cones) | #43877C | 0.065 |
| Achromatopsia (no color) | #7C7C7C | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8A51
#4C8A51
oklch(57.6% 0.107 145.8)
- #9A629B
#9A629B
oklch(57.7% 0.107 326.2)
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 #4C8A51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.021
- Sea Green #2E8B57 ΔE 0.023
- Dark Sage #598556 ΔE 0.023
- Viridian #1E9167 ΔE 0.036
- Moss Green #658B38 ΔE 0.036
- Swamp #698339 ΔE 0.037
- Military Green #667C3E ΔE 0.045
Use #4C8A51 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.