#4FC599
Closest named color: Greenblue (#23C48B). oklch(74.5% 0.125 165.4), rgb(79, 197, 153).
Aa
Black text reads best on this color (9.77:1).
About this color
#4FC599 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.125 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.031 away. Black text reads best on it, at 9.77:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.77:1 |
| White text | 2.14:1 |
Values
| HEX | #4FC599 |
| RGB | rgb(79, 197, 153) |
| HSL | hsl(158, 50%, 54%) |
| OKLCH | oklch(74.5% 0.125 165.4) |
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 #4FC599 | 2.14:1 | Fails | Lc -46.5 | Large or bold text, headings |
| Black text on #4FC599 | 9.77:1 | AAA | Lc 62.1 | Content text, not long reading |
| #4FC599 text on white | 2.14:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #4FC599 text on black | 9.77:1 | AAA | Lc -60.4 | 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
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#BFE3D2
oklch(88.5% 0.044 165.2)
-
Step 300
300
#90D1B4
oklch(80.9% 0.078 165)
-
Step 400
400 (this color)
#4FC599
oklch(74.5% 0.125 165.4)
-
Step 500
500
#00A276
oklch(63.1% 0.132 165.5)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#4FC599 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) | #C1B897 | 0.124 |
| Deuteranopia (no green cones) | #B0AC9C | 0.119 |
| Tritanopia (no blue cones) | #00C5B9 | 0.048 |
| Achromatopsia (no color) | #B1B1B1 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FC599
#4FC599
oklch(74.5% 0.125 165.4)
- #E48BBE
#E48BBE
oklch(74.5% 0.125 345.2)
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 #4FC599, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.031
- Medium Aquamarine #66CDAA ΔE 0.036
- Green Blue #01C08D ΔE 0.037
- Soft Green #6FC276 ΔE 0.045
- Emerald #06D6A0 ΔE 0.048
- Dark Mint #48C072 ΔE 0.051
- Greeny Blue #42B395 ΔE 0.054
- Topaz #13BBAF ΔE 0.055
Use #4FC599 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.