#4BB580
Closest named color: Dark Seafoam Green (#3EAF76). oklch(69.7% 0.126 158.7), rgb(75, 181, 128).
Aa
Black text reads best on this color (8.22:1).
About this color
#4BB580 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.126 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.023 away. Black text reads best on it, at 8.22:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 8.22:1 |
| White text | 2.55:1 |
Values
| HEX | #4BB580 |
| RGB | rgb(75, 181, 128) |
| HSL | hsl(150, 42%, 50%) |
| OKLCH | oklch(69.7% 0.126 158.7) |
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 #4BB580 | 2.55:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #4BB580 | 8.22:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #4BB580 text on white | 2.55:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #4BB580 text on black | 8.22:1 | AAA | Lc -52.2 | 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
#DEEFE4
oklch(93.6% 0.023 157.6)
-
Step 200
200
#C2E2CF
oklch(88.4% 0.043 159.4)
-
Step 300
300
#95D1AE
oklch(81% 0.079 158.4)
-
Step 400
400 (this color)
#4BB580
oklch(69.7% 0.126 158.7)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#4BB580 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) | #B3A87D | 0.117 |
| Deuteranopia (no green cones) | #A59E83 | 0.114 |
| Tritanopia (no blue cones) | #20B4A7 | 0.057 |
| Achromatopsia (no color) | #A2A2A2 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BB580
#4BB580
oklch(69.7% 0.126 158.7)
- #D07DB8
#D07DB8
oklch(69.7% 0.127 338.5)
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 #4BB580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.023
- Medium Sea Green #3CB371 ΔE 0.024
- Dark Seafoam #1FB57A ΔE 0.025
- Bluey Green #2BB179 ΔE 0.025
- Green Teal #0CB577 ΔE 0.031
- Greeny Blue #42B395 ΔE 0.032
- Tea #65AB7C ΔE 0.032
- Algae #54AC68 ΔE 0.033
Use #4BB580 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.