#4FB55E
Closest named color: Cool Green (#33B864). oklch(69.2% 0.156 146.5), rgb(79, 181, 94).
Aa
Black text reads best on this color (8.10:1).
About this color
#4FB55E is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.156 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.016 away. Black text reads best on it, at 8.10:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.10:1 |
| White text | 2.59:1 |
Values
| HEX | #4FB55E |
| RGB | rgb(79, 181, 94) |
| HSL | hsl(129, 41%, 51%) |
| OKLCH | oklch(69.2% 0.156 146.5) |
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 #4FB55E | 2.59:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #4FB55E | 8.10:1 | AAA | Lc 53.7 | Large or bold text, headings |
| #4FB55E text on white | 2.59:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #4FB55E text on black | 8.10:1 | AAA | Lc -51.6 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEEFDF
oklch(93.5% 0.028 147)
-
Step 200
200
#C3E3C4
oklch(88.4% 0.054 145.9)
-
Step 300
300
#97D29B
oklch(80.9% 0.098 146.3)
-
Step 400
400 (this color)
#4FB55E
oklch(69.2% 0.156 146.5)
-
Step 500
500
#00A639
oklch(63.1% 0.19 146.6)
-
Step 600
600
#008C2E
oklch(55.7% 0.168 146.5)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601D
oklch(42.6% 0.128 146.5)
-
Step 900
900
#005017
oklch(37.6% 0.113 146.6)
-
Step 950
950
#00300A
oklch(26.9% 0.081 146.4)
#4FB55E 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) | #B7A657 | 0.122 |
| Deuteranopia (no green cones) | #AA9D64 | 0.122 |
| Tritanopia (no blue cones) | #3AB1A0 | 0.092 |
| Achromatopsia (no color) | #A1A1A1 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FB55E
#4FB55E
oklch(69.2% 0.156 146.5)
- #CD76CE
#CD76CE
oklch(69.2% 0.156 326.7)
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 #4FB55E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.016
- Dark Pastel Green #56AE57 ΔE 0.019
- Boring Green #63B365 ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.027
- Algae #54AC68 ΔE 0.032
- Dark Mint #48C072 ΔE 0.033
- Jade Green #2BAF6A ΔE 0.033
- Fern #63A950 ΔE 0.034
Use #4FB55E 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.