#4BD291
Closest named color: Emerald (#06D6A0). oklch(77.4% 0.151 158.6), rgb(75, 210, 145).
Aa
Black text reads best on this color (10.92:1).
About this color
#4BD291 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.151 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.024 away. Black text reads best on it, at 10.92:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.92:1 |
| White text | 1.92:1 |
Values
| HEX | #4BD291 |
| RGB | rgb(75, 210, 145) |
| HSL | hsl(151, 60%, 56%) |
| OKLCH | oklch(77.4% 0.151 158.6) |
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 #4BD291 | 1.92:1 | Fails | Lc -40.7 | Non-text elements, placeholder text |
| Black text on #4BD291 | 10.92:1 | AAA | Lc 67.5 | Content text, not long reading |
| #4BD291 text on white | 1.92:1 | Fails | Lc 36.4 | Non-text elements, placeholder text |
| #4BD291 text on black | 10.92:1 | AAA | Lc -66.1 | 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 300.
-
Step 50
50
#EBFAF0
oklch(97.1% 0.021 156.8)
-
Step 100
100
#D3F3DF
oklch(93.6% 0.043 158)
-
Step 200
200
#AAEBC5
oklch(88.6% 0.084 158.5)
-
Step 300
300 (this color)
#4BD291
oklch(77.4% 0.151 158.6)
-
Step 400
400
#00BE79
oklch(70.6% 0.164 158.6)
-
Step 500
500
#00A367
oklch(63% 0.146 158.5)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#4BD291 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) | #D0C38D | 0.140 |
| Deuteranopia (no green cones) | #BEB695 | 0.136 |
| Tritanopia (no blue cones) | #00D1C1 | 0.067 |
| Achromatopsia (no color) | #BBBBBB | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BD291
#4BD291
oklch(77.4% 0.151 158.6)
- #F38DD6
#F38DD6
oklch(77.4% 0.151 338.5)
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 #4BD291, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.024
- Seaweed #18D17B ΔE 0.037
- Aqua Green #12E193 ΔE 0.043
- Greenblue #23C48B ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.047
- Soft Green #6FC276 ΔE 0.047
- Dark Mint #48C072 ΔE 0.056
- Algae Green #21C36F ΔE 0.060
Use #4BD291 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.