#00C288
Closest named color: Greenblue (#23C48B). oklch(72% 0.156 163), rgb(0, 194, 136).
Aa
Black text reads best on this color (9.07:1).
About this color
#00C288 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.156 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.010 away. Black text reads best on it, at 9.07:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.07:1 |
| White text | 2.31:1 |
Values
| HEX | #00C288 |
| RGB | rgb(0, 194, 136) |
| HSL | hsl(162, 100%, 38%) |
| OKLCH | oklch(72% 0.156 163) |
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 #00C288 | 2.31:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #00C288 | 9.07:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #00C288 text on white | 2.31:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #00C288 text on black | 9.07:1 | 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
#EEF8F3
oklch(97% 0.012 164.8)
-
Step 100
100
#DAF0E4
oklch(93.6% 0.028 162.1)
-
Step 200
200
#BAE5CF
oklch(88.5% 0.054 162.9)
-
Step 300
300
#83D5AF
oklch(81% 0.098 163.2)
-
Step 400
400 (this color)
#00C288
oklch(72% 0.156 163)
-
Step 500
500
#00A271
oklch(63% 0.136 163)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#00C288 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) | #BEB385 | 0.150 |
| Deuteranopia (no green cones) | #ABA58C | 0.145 |
| Tritanopia (no blue cones) | #00C2B2 | 0.060 |
| Achromatopsia (no color) | #AAAAAA | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00C288
#00C288
oklch(72% 0.156 163)
- #E679BE
#E679BE
oklch(72% 0.157 343.1)
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 #00C288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.010
- Green Blue #01C08D ΔE 0.010
- Dark Mint Green #20C073 ΔE 0.026
- Dark Mint #48C072 ΔE 0.030
- Algae Green #21C36F ΔE 0.033
- Dark Seafoam #1FB57A ΔE 0.036
- Green Teal #0CB577 ΔE 0.038
- Medium Sea Green #3CB371 ΔE 0.043
Use #00C288 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.