#28C281
Closest named color: Greenblue (#23C48B). oklch(72.2% 0.156 159.2), rgb(40, 194, 129).
Aa
Black text reads best on this color (9.12:1).
About this color
#28C281 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.156 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.013 away. Black text reads best on it, at 9.12:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.12:1 |
| White text | 2.30:1 |
Values
| HEX | #28C281 |
| RGB | rgb(40, 194, 129) |
| HSL | hsl(155, 66%, 46%) |
| OKLCH | oklch(72.2% 0.156 159.2) |
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 #28C281 | 2.30:1 | Fails | Lc -49.7 | Large or bold text, headings |
| Black text on #28C281 | 9.12:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #28C281 text on white | 2.30:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #28C281 text on black | 9.12:1 | AAA | Lc -57.2 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DBF0E3
oklch(93.6% 0.028 158.7)
-
Step 200
200
#BCE5CC
oklch(88.6% 0.055 158.3)
-
Step 300
300
#88D4AA
oklch(80.9% 0.097 159.1)
-
Step 400
400 (this color)
#28C281
oklch(72.2% 0.156 159.2)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008957
oklch(55.5% 0.128 159.1)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#28C281 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) | #C0B37D | 0.145 |
| Deuteranopia (no green cones) | #AEA685 | 0.141 |
| Tritanopia (no blue cones) | #00C1B1 | 0.068 |
| Achromatopsia (no color) | #ABABAB | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28C281
#28C281
oklch(72.2% 0.156 159.2)
- #E37BC5
#E37BC5
oklch(72.2% 0.156 339.1)
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 #28C281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.013
- Dark Mint Green #20C073 ΔE 0.018
- Green Blue #01C08D ΔE 0.019
- Dark Mint #48C072 ΔE 0.020
- Algae Green #21C36F ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.038
- Cool Green #33B864 ΔE 0.039
- Green Teal #0CB577 ΔE 0.039
Use #28C281 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.