#4FC59F
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.6% 0.12 168.6), rgb(79, 197, 159).
Aa
Black text reads best on this color (9.81:1).
About this color
#4FC59F is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.120 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.032 away. Black text reads best on it, at 9.81:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.81:1 |
| White text | 2.13:1 |
Values
| HEX | #4FC59F |
| RGB | rgb(79, 197, 159) |
| HSL | hsl(161, 50%, 54%) |
| OKLCH | oklch(74.6% 0.12 168.6) |
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 #4FC59F | 2.13:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #4FC59F | 9.81:1 | AAA | Lc 62.3 | Content text, not long reading |
| #4FC59F text on white | 2.13:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #4FC59F text on black | 9.81:1 | AAA | Lc -60.6 | Content text, not long reading |
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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DDEFE7
oklch(93.7% 0.022 167.5)
-
Step 200
200
#BFE3D4
oklch(88.6% 0.043 168.2)
-
Step 300
300
#90D1B8
oklch(81% 0.075 168.5)
-
Step 400
400 (this color)
#4FC59F
oklch(74.6% 0.12 168.6)
-
Step 500
500
#00A17B
oklch(63% 0.127 168.5)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#4FC59F 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) | #C0B99D | 0.121 |
| Deuteranopia (no green cones) | #AFACA2 | 0.118 |
| Tritanopia (no blue cones) | #00C6BA | 0.041 |
| Achromatopsia (no color) | #B1B1B1 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FC59F
#4FC59F
oklch(74.6% 0.12 168.6)
- #E58CB9
#E58CB9
oklch(74.6% 0.121 348.8)
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 #4FC59F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.032
- Greenblue #23C48B ΔE 0.038
- Green Blue #01C08D ΔE 0.042
- Topaz #13BBAF ΔE 0.050
- Emerald #06D6A0 ΔE 0.050
- Soft Green #6FC276 ΔE 0.052
- Greeny Blue #42B395 ΔE 0.053
- Pale Teal #82CBB2 ΔE 0.056
Use #4FC59F 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.