#4FBF91
Closest named color: Greenblue (#23C48B). oklch(72.8% 0.123 163.3), rgb(79, 191, 145).
Aa
Black text reads best on this color (9.19:1).
About this color
#4FBF91 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.123 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.028 away. Black text reads best on it, at 9.19:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.19:1 |
| White text | 2.28:1 |
Values
| HEX | #4FBF91 |
| RGB | rgb(79, 191, 145) |
| HSL | hsl(155, 47%, 53%) |
| OKLCH | oklch(72.8% 0.123 163.3) |
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 #4FBF91 | 2.28:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #4FBF91 | 9.19:1 | AAA | Lc 59.2 | Large or bold text, headings |
| #4FBF91 text on white | 2.28:1 | Fails | Lc 44.8 | Non-text elements, placeholder text |
| #4FBF91 text on black | 9.19:1 | AAA | Lc -57.4 | 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 400.
-
Step 50
50
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#C1E3D1
oklch(88.6% 0.043 162.3)
-
Step 300
300
#92D1B3
oklch(81% 0.077 163.5)
-
Step 400
400 (this color)
#4FBF91
oklch(72.8% 0.123 163.3)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#00885F
oklch(55.5% 0.119 163.5)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#4FBF91 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) | #BCB28E | 0.120 |
| Deuteranopia (no green cones) | #ACA794 | 0.116 |
| Tritanopia (no blue cones) | #15BFB2 | 0.049 |
| Achromatopsia (no color) | #ABABAB | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FBF91
#4FBF91
oklch(72.8% 0.123 163.3)
- #DC86BB
#DC86BB
oklch(72.6% 0.124 343)
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 #4FBF91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.028
- Green Blue #01C08D ΔE 0.029
- Greeny Blue #42B395 ΔE 0.040
- Dark Mint #48C072 ΔE 0.043
- Soft Green #6FC276 ΔE 0.043
- Dark Seafoam #1FB57A ΔE 0.049
- Faded Green #7BB274 ΔE 0.050
- Dark Mint Green #20C073 ΔE 0.051
Use #4FBF91 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.