#01CC9B
Closest named color: Greenblue (#23C48B). oklch(75.1% 0.152 167.8), rgb(1, 204, 155).
Aa
Black text reads best on this color (10.11:1).
About this color
#01CC9B is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.152 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.026 away. Black text reads best on it, at 10.11:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.11:1 |
| White text | 2.07:1 |
Values
| HEX | #01CC9B |
| RGB | rgb(1, 204, 155) |
| HSL | hsl(166, 99%, 40%) |
| OKLCH | oklch(75.1% 0.152 167.8) |
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 #01CC9B | 2.07:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #01CC9B | 10.11:1 | AAA | Lc 64.1 | Content text, not long reading |
| #01CC9B text on white | 2.07:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #01CC9B text on black | 10.11:1 | AAA | Lc -62.5 | 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 400.
-
Step 50
50
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#D9F0E6
oklch(93.5% 0.028 167.8)
-
Step 200
200
#B8E5D2
oklch(88.5% 0.053 167.5)
-
Step 300
300
#80D5B5
oklch(81% 0.095 167.9)
-
Step 400
400 (this color)
#01CC9B
oklch(75.1% 0.152 167.8)
-
Step 500
500
#00A27A
oklch(63.2% 0.129 167.5)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#01CC9B 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) | #C7BD98 | 0.153 |
| Deuteranopia (no green cones) | #B2AE9E | 0.147 |
| Tritanopia (no blue cones) | #00CDBE | 0.049 |
| Achromatopsia (no color) | #B4B4B4 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01CC9B
#01CC9B
oklch(75.1% 0.152 167.8)
- #F383BF
#F383BF
oklch(75.1% 0.153 348)
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 #01CC9B, closest first.
No curated palette has a color within ΔE 0.04 of #01CC9B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.026
- Emerald #06D6A0 ΔE 0.028
- Green Blue #01C08D ΔE 0.035
- Seaweed #18D17B ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.050
- Dark Mint #48C072 ΔE 0.052
- Dark Mint Green #20C073 ΔE 0.053
- Algae Green #21C36F ΔE 0.055
Use #01CC9B 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.