#03CF9D
Closest named color: Emerald (#06D6A0). oklch(75.9% 0.154 167.6), rgb(3, 207, 157).
Aa
Black text reads best on this color (10.41:1).
About this color
#03CF9D is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.154 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.020 away. Black text reads best on it, at 10.41:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.41:1 |
| White text | 2.01:1 |
Values
| HEX | #03CF9D |
| RGB | rgb(3, 207, 157) |
| HSL | hsl(165, 97%, 41%) |
| OKLCH | oklch(75.9% 0.154 167.6) |
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 #03CF9D | 2.01:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #03CF9D | 10.41:1 | AAA | Lc 65.5 | Content text, not long reading |
| #03CF9D text on white | 2.01:1 | Fails | Lc 38.4 | Non-text elements, placeholder text |
| #03CF9D text on black | 10.41:1 | AAA | Lc -64.0 | 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 300.
-
Step 50
50
#E9FAF3
oklch(97.1% 0.02 169.4)
-
Step 100
100
#CEF4E4
oklch(93.6% 0.045 168)
-
Step 200
200
#A1ECCE
oklch(88.6% 0.085 167.5)
-
Step 300
300 (this color)
#03CF9D
oklch(75.9% 0.154 167.6)
-
Step 400
400
#00BC8E
oklch(70.6% 0.144 167.5)
-
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)
#03CF9D 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) | #CAC09A | 0.155 |
| Deuteranopia (no green cones) | #B5B0A0 | 0.150 |
| Tritanopia (no blue cones) | #00D0C1 | 0.051 |
| Achromatopsia (no color) | #B7B7B7 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03CF9D
#03CF9D
oklch(75.9% 0.154 167.6)
- #F685C3
#F685C3
oklch(75.9% 0.154 347.3)
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 #03CF9D, closest first.
No curated palette has a color within ΔE 0.04 of #03CF9D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.020
- Greenblue #23C48B ΔE 0.033
- Green Blue #01C08D ΔE 0.043
- Seaweed #18D17B ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.048
- Dark Mint #48C072 ΔE 0.057
- Aqua Green #12E193 ΔE 0.058
- Dark Mint Green #20C073 ΔE 0.059
Use #03CF9D 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.