#4FA959
Closest named color: Dark Pastel Green (#56AE57). oklch(66% 0.144 145.9), rgb(79, 169, 89).
Aa
Black text reads best on this color (7.15:1).
About this color
#4FA959 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.144 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.017 away. Black text reads best on it, at 7.15:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.15:1 |
| White text | 2.93:1 |
Values
| HEX | #4FA959 |
| RGB | rgb(79, 169, 89) |
| HSL | hsl(127, 36%, 49%) |
| OKLCH | oklch(66% 0.144 145.9) |
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 #4FA959 | 2.93:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #4FA959 | 7.15:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #4FA959 text on white | 2.93:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #4FA959 text on black | 7.15:1 | AAA | Lc -46.2 | 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 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#C9E1CA
oklch(88.6% 0.04 146.4)
-
Step 300
300
#A4CDA6
oklch(80.8% 0.07 146.2)
-
Step 400
400
#70B375
oklch(70.6% 0.113 146)
-
Step 500
500 (this color)
#4FA959
oklch(66% 0.144 145.9)
-
Step 600
600
#1E8A33
oklch(55.6% 0.157 145.9)
-
Step 700
700
#0B7525
oklch(49.1% 0.146 145.9)
-
Step 800
800
#115F21
oklch(42.6% 0.12 146.1)
-
Step 900
900
#184E20
oklch(37.6% 0.094 146)
-
Step 950
950
#102E13
oklch(27% 0.06 145.6)
#4FA959 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) | #AB9C53 | 0.111 |
| Deuteranopia (no green cones) | #9F935E | 0.111 |
| Tritanopia (no blue cones) | #3FA596 | 0.087 |
| Achromatopsia (no color) | #979797 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA959
#4FA959
oklch(66% 0.144 145.9)
- #BF70C1
#BF70C1
oklch(66% 0.145 326.2)
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 #4FA959, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.017
- Fern #63A950 ΔE 0.018
- Mid Green #50A747 ΔE 0.019
- Algae #54AC68 ΔE 0.020
- Seaweed Green #35AD6B ΔE 0.023
- Jade Green #2BAF6A ΔE 0.026
- Muted Green #5FA052 ΔE 0.026
- Off Green #6BA353 ΔE 0.028
Use #4FA959 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.