#28AA39
Closest named color: Kelly Green (#02AB2E). oklch(64.7% 0.188 144.7), rgb(40, 170, 57).
Aa
Black text reads best on this color (6.89:1).
About this color
#28AA39 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.188 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.015 away. Black text reads best on it, at 6.89:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.89:1 |
| White text | 3.04:1 |
Values
| HEX | #28AA39 |
| RGB | rgb(40, 170, 57) |
| HSL | hsl(128, 62%, 41%) |
| OKLCH | oklch(64.7% 0.188 144.7) |
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 #28AA39 | 3.04:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #28AA39 | 6.89:1 | AA | Lc 47.3 | Large or bold text, headings |
| #28AA39 text on white | 3.04:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #28AA39 text on black | 6.89:1 | AA | Lc -45.1 | 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 500.
-
Step 50
50
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDF
oklch(93.7% 0.027 143.6)
-
Step 200
200
#C5E3C5
oklch(88.6% 0.052 145.1)
-
Step 300
300
#9CD19C
oklch(81% 0.092 144.7)
-
Step 400
400
#60B864
oklch(70.7% 0.146 144.7)
-
Step 500
500 (this color)
#28AA39
oklch(64.7% 0.188 144.7)
-
Step 600
600
#008C21
oklch(55.6% 0.177 144.7)
-
Step 700
700
#00761B
oklch(49.2% 0.156 144.8)
-
Step 800
800
#006114
oklch(42.8% 0.136 144.7)
-
Step 900
900
#00510F
oklch(37.8% 0.12 144.7)
-
Step 950
950
#06300A
oklch(27.1% 0.078 144.5)
#28AA39 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) | #AD9A2A | 0.139 |
| Deuteranopia (no green cones) | #9F9043 | 0.139 |
| Tritanopia (no blue cones) | #00A593 | 0.118 |
| Achromatopsia (no color) | #949494 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AA39
#28AA39
oklch(64.7% 0.188 144.7)
- #C55ECC
#C55ECC
oklch(64.7% 0.188 325)
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 #28AA39, closest first.
No curated palette has a color within ΔE 0.04 of #28AA39.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.015
- Medium Green #39AD48 ΔE 0.019
- Shamrock #01B44C ΔE 0.029
- Mid Green #50A747 ΔE 0.032
- Grass #5CAC2D ΔE 0.035
- Leaf Green #5CA904 ΔE 0.036
- Grassy Green #419C03 ΔE 0.041
- Grass Green #3F9B0B ΔE 0.043
Use #28AA39 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.