#28D58F
Closest named color: Emerald (#06D6A0). oklch(77.4% 0.167 159.7), rgb(40, 213, 143).
Aa
Black text reads best on this color (11.00:1).
About this color
#28D58F is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.167 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.021 away. Black text reads best on it, at 11.00:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.00:1 |
| White text | 1.90:1 |
Values
| HEX | #28D58F |
| RGB | rgb(40, 213, 143) |
| HSL | hsl(156, 68%, 50%) |
| OKLCH | oklch(77.4% 0.167 159.7) |
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 #28D58F | 1.90:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #28D58F | 11.00:1 | AAA | Lc 68.0 | Content text, not long reading |
| #28D58F text on white | 1.90:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #28D58F text on black | 11.00:1 | AAA | Lc -66.7 | 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
#E9FAF0
oklch(97% 0.022 160.2)
-
Step 100
100
#CFF4DF
oklch(93.5% 0.048 160.5)
-
Step 200
200
#A2EDC4
oklch(88.6% 0.094 159.8)
-
Step 300
300 (this color)
#28D58F
oklch(77.4% 0.167 159.7)
-
Step 400
400
#00BE7C
oklch(70.7% 0.161 159.6)
-
Step 500
500
#00A36A
oklch(63.1% 0.143 159.7)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#28D58F 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) | #D2C48B | 0.157 |
| Deuteranopia (no green cones) | #BEB694 | 0.152 |
| Tritanopia (no blue cones) | #00D4C3 | 0.072 |
| Achromatopsia (no color) | #BCBCBC | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28D58F
#28D58F
oklch(77.4% 0.167 159.7)
- #FA87D7
#FA87D7
oklch(77.4% 0.168 339.9)
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 #28D58F, closest first.
No curated palette has a color within ΔE 0.04 of #28D58F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.021
- Seaweed #18D17B ΔE 0.026
- Aqua Green #12E193 ΔE 0.033
- Greenblue #23C48B ΔE 0.049
- Weird Green #3AE57F ΔE 0.056
- Algae Green #21C36F ΔE 0.057
- Soft Green #6FC276 ΔE 0.058
- Dark Mint #48C072 ΔE 0.058
Use #28D58F 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.