#4FB181
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68.9% 0.118 159.6), rgb(79, 177, 129).
Aa
Black text reads best on this color (7.93:1).
About this color
#4FB181 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.118 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.021 away. Black text reads best on it, at 7.93:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.93:1 |
| White text | 2.64:1 |
Values
| HEX | #4FB181 |
| RGB | rgb(79, 177, 129) |
| HSL | hsl(151, 39%, 50%) |
| OKLCH | oklch(68.9% 0.118 159.6) |
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 #4FB181 | 2.64:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #4FB181 | 7.93:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #4FB181 text on white | 2.64:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #4FB181 text on black | 7.93:1 | AAA | Lc -50.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C3E2D0
oklch(88.5% 0.041 160)
-
Step 300
300
#97D0B0
oklch(80.9% 0.074 159.6)
-
Step 400
400 (this color)
#4FB181
oklch(68.9% 0.118 159.6)
-
Step 500
500
#00A36A
oklch(63.1% 0.143 159.7)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#4FB181 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) | #AFA57E | 0.111 |
| Deuteranopia (no green cones) | #A19B84 | 0.108 |
| Tritanopia (no blue cones) | #2CB0A4 | 0.052 |
| Achromatopsia (no color) | #9F9F9F | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FB181
#4FB181
oklch(68.9% 0.118 159.6)
- #CB7DB2
#CB7DB2
oklch(68.9% 0.118 339.8)
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 #4FB181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.021
- Tea #65AB7C ΔE 0.022
- Bluey Green #2BB179 ΔE 0.026
- Greeny Blue #42B395 ΔE 0.026
- Medium Sea Green #3CB371 ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.030
- Algae #54AC68 ΔE 0.031
- Green Teal #0CB577 ΔE 0.036
Use #4FB181 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.