#4FA951
Closest named color: Mid Green (#50A747). oklch(65.9% 0.152 144), rgb(79, 169, 81).
Aa
Black text reads best on this color (7.12:1).
About this color
#4FA951 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.152 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.010 away. Black text reads best on it, at 7.12:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #4FA951 |
| RGB | rgb(79, 169, 81) |
| HSL | hsl(121, 36%, 49%) |
| OKLCH | oklch(65.9% 0.152 144) |
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 #4FA951 | 2.94:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #4FA951 | 7.12:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #4FA951 text on white | 2.94:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #4FA951 text on black | 7.12:1 | AAA | Lc -46.1 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#C9E1C8
oklch(88.5% 0.042 144.1)
-
Step 300
300
#A4CEA3
oklch(81% 0.074 144.3)
-
Step 400
400
#70B470
oklch(70.7% 0.119 144.2)
-
Step 500
500 (this color)
#4FA951
oklch(65.9% 0.152 144)
-
Step 600
600
#1F8A28
oklch(55.5% 0.165 144)
-
Step 700
700
#0D751A
oklch(49% 0.153 144)
-
Step 800
800
#126019
oklch(42.8% 0.127 144)
-
Step 900
900
#194E1B
oklch(37.6% 0.098 143.9)
-
Step 950
950
#102E11
oklch(27% 0.063 144.2)
#4FA951 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) | #AC9B49 | 0.113 |
| Deuteranopia (no green cones) | #A09357 | 0.113 |
| Tritanopia (no blue cones) | #41A595 | 0.095 |
| Achromatopsia (no color) | #969696 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA951
#4FA951
oklch(65.9% 0.152 144)
- #BE6EC6
#BE6EC6
oklch(65.8% 0.152 323.8)
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 #4FA951, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.010
- Dark Pastel Green #56AE57 ΔE 0.017
- Fern #63A950 ΔE 0.018
- Medium Green #39AD48 ΔE 0.023
- Algae #54AC68 ΔE 0.028
- Muted Green #5FA052 ΔE 0.029
- Seaweed Green #35AD6B ΔE 0.030
- Jade Green #2BAF6A ΔE 0.030
Use #4FA951 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.