#028B17
Closest named color: Emerald Green (#028F1E). oklch(55.3% 0.18 143.7), rgb(2, 139, 23).
Aa
Black text reads best on this color (4.70:1).
About this color
#028B17 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.180 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.012 away. Black text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #028B17 |
| RGB | rgb(2, 139, 23) |
| HSL | hsl(129, 97%, 28%) |
| OKLCH | oklch(55.3% 0.18 143.7) |
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 #028B17 | 4.46:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #028B17 | 4.70:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #028B17 text on white | 4.46:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #028B17 text on black | 4.70:1 | AA | Lc -31.5 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E1C7
oklch(88.4% 0.044 144.2)
-
Step 300
300
#A1CF9F
oklch(80.9% 0.082 143.7)
-
Step 400
400
#6CB56A
oklch(70.6% 0.129 143.5)
-
Step 500
500
#3DA23F
oklch(63.1% 0.166 143.6)
-
Step 600
600 (this color)
#028B17
oklch(55.3% 0.18 143.7)
-
Step 700
700
#007611
oklch(49.1% 0.161 143.6)
-
Step 800
800
#02610D
oklch(42.8% 0.139 143.6)
-
Step 900
900
#124F15
oklch(37.6% 0.108 143.7)
-
Step 950
950
#0D2F0E
oklch(27.1% 0.069 143.8)
#028B17 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) | #8E7D00 | 0.130 |
| Deuteranopia (no green cones) | #817426 | 0.129 |
| Tritanopia (no blue cones) | #008776 | 0.115 |
| Achromatopsia (no color) | #777777 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028B17
#028B17
oklch(55.3% 0.18 143.7)
- #A344AD
#A344AD
oklch(55.4% 0.18 323.8)
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 #028B17, closest first.
No curated palette has a color within ΔE 0.04 of #028B17.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.012
- Forest Green #228B22 ΔE 0.013
- True Green #089404 ΔE 0.030
- Irish Green #019529 ΔE 0.030
- Kelley Green #009337 ΔE 0.030
- Green #008000 ΔE 0.033
- Dark Grass Green #388004 ΔE 0.035
- Tree Green #2A7E19 ΔE 0.040
Use #028B17 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.