#4FB78B
Closest named color: Greeny Blue (#42B395). oklch(70.6% 0.117 162.9), rgb(79, 183, 139).
Aa
Black text reads best on this color (8.47:1).
About this color
#4FB78B is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.117 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.023 away. Black text reads best on it, at 8.47:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.47:1 |
| White text | 2.47:1 |
Values
| HEX | #4FB78B |
| RGB | rgb(79, 183, 139) |
| HSL | hsl(155, 42%, 51%) |
| OKLCH | oklch(70.6% 0.117 162.9) |
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 #4FB78B | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #4FB78B | 8.47:1 | AAA | Lc 55.6 | Large or bold text, headings |
| #4FB78B text on white | 2.47:1 | Fails | Lc 48.4 | Large or bold text, headings |
| #4FB78B text on black | 8.47:1 | AAA | Lc -53.6 | 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
#DEEFE6
oklch(93.7% 0.022 163)
-
Step 200
200
#C2E2D1
oklch(88.5% 0.041 162.3)
-
Step 300
300
#95D0B3
oklch(80.9% 0.073 162.9)
-
Step 400
400 (this color)
#4FB78B
oklch(70.6% 0.117 162.9)
-
Step 500
500
#00A271
oklch(63% 0.136 163)
-
Step 600
600
#00895E
oklch(55.7% 0.121 162.5)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#4FB78B 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) | #B4AB89 | 0.114 |
| Deuteranopia (no green cones) | #A5A08E | 0.111 |
| Tritanopia (no blue cones) | #22B7AB | 0.048 |
| Achromatopsia (no color) | #A5A5A5 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FB78B
#4FB78B
oklch(70.6% 0.117 162.9)
- #D382B4
#D382B4
oklch(70.7% 0.118 342.8)
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 #4FB78B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.023
- Green Blue #01C08D ΔE 0.034
- Tea #65AB7C ΔE 0.035
- Dark Seafoam Green #3EAF76 ΔE 0.036
- Dark Seafoam #1FB57A ΔE 0.037
- Bluey Green #2BB179 ΔE 0.038
- Medium Sea Green #3CB371 ΔE 0.039
- Greenblue #23C48B ΔE 0.041
Use #4FB78B 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.