#4BB570
Closest named color: Medium Sea Green (#3CB371). oklch(69.4% 0.141 152.3), rgb(75, 181, 112).
Aa
Black text reads best on this color (8.14:1).
About this color
#4BB570 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.141 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.012 away. Black text reads best on it, at 8.14:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.14:1 |
| White text | 2.57:1 |
Values
| HEX | #4BB570 |
| RGB | rgb(75, 181, 112) |
| HSL | hsl(141, 42%, 50%) |
| OKLCH | oklch(69.4% 0.141 152.3) |
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 #4BB570 | 2.57:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #4BB570 | 8.14:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #4BB570 text on white | 2.57:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #4BB570 text on black | 8.14:1 | AAA | Lc -51.8 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE2
oklch(93.6% 0.025 152.9)
-
Step 200
200
#C2E3CA
oklch(88.5% 0.049 152.6)
-
Step 300
300
#95D2A5
oklch(81% 0.089 152.2)
-
Step 400
400 (this color)
#4BB570
oklch(69.4% 0.141 152.3)
-
Step 500
500
#00A455
oklch(63% 0.164 152.5)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#4BB570 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) | #B5A76B | 0.121 |
| Deuteranopia (no green cones) | #A79D74 | 0.119 |
| Tritanopia (no blue cones) | #2BB3A4 | 0.074 |
| Achromatopsia (no color) | #A1A1A1 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BB570
#4BB570
oklch(69.4% 0.141 152.3)
- #CF79C3
#CF79C3
oklch(69.4% 0.142 332.2)
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 #4BB570, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.012
- Boring Green #63B365 ΔE 0.020
- Dark Seafoam #1FB57A ΔE 0.022
- Dark Seafoam Green #3EAF76 ΔE 0.024
- Algae #54AC68 ΔE 0.025
- Green Teal #0CB577 ΔE 0.025
- Cool Green #33B864 ΔE 0.025
- Bluey Green #2BB179 ΔE 0.026
Use #4BB570 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.