#4FC590
Closest named color: Greenblue (#23C48B). oklch(74.2% 0.132 161), rgb(79, 197, 144).
Aa
Black text reads best on this color (9.72:1).
About this color
#4FC590 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.132 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.023 away. Black text reads best on it, at 9.72:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.72:1 |
| White text | 2.16:1 |
Values
| HEX | #4FC590 |
| RGB | rgb(79, 197, 144) |
| HSL | hsl(153, 50%, 54%) |
| OKLCH | oklch(74.2% 0.132 161) |
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 #4FC590 | 2.16:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #4FC590 | 9.72:1 | AAA | Lc 61.8 | Content text, not long reading |
| #4FC590 text on white | 2.16:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #4FC590 text on black | 9.72:1 | AAA | Lc -60.1 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DDEFE5
oklch(93.6% 0.023 161.7)
-
Step 200
200
#C0E3CF
oklch(88.5% 0.046 160.3)
-
Step 300
300
#90D2AF
oklch(81% 0.084 160.6)
-
Step 400
400 (this color)
#4FC590
oklch(74.2% 0.132 161)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#4FC590 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) | #C2B78D | 0.126 |
| Deuteranopia (no green cones) | #B2AC93 | 0.122 |
| Tritanopia (no blue cones) | #11C4B7 | 0.057 |
| Achromatopsia (no color) | #B0B0B0 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FC590
#4FC590
oklch(74.2% 0.132 161)
- #E389C4
#E389C4
oklch(74.2% 0.131 341.1)
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 #4FC590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.023
- Green Blue #01C08D ΔE 0.033
- Soft Green #6FC276 ΔE 0.035
- Dark Mint #48C072 ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.044
- Emerald #06D6A0 ΔE 0.047
- Dark Mint Green #20C073 ΔE 0.048
- Algae Green #21C36F ΔE 0.052
Use #4FC590 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.