#03B849
Closest named color: Shamrock (#01B44C). oklch(68.3% 0.198 147.8), rgb(3, 184, 73).
Aa
Black text reads best on this color (7.95:1).
About this color
#03B849 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.198 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.013 away. Black text reads best on it, at 7.95:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.95:1 |
| White text | 2.63:1 |
Values
| HEX | #03B849 |
| RGB | rgb(3, 184, 73) |
| HSL | hsl(143, 97%, 37%) |
| OKLCH | oklch(68.3% 0.198 147.8) |
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 #03B849 | 2.63:1 | Fails | Lc -55.8 | Large or bold text, headings |
| Black text on #03B849 | 7.95:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #03B849 text on white | 2.63:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #03B849 text on black | 7.95:1 | AAA | Lc -51.3 | 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
#EEF9EF
oklch(97.1% 0.018 148.1)
-
Step 100
100
#DBF1DD
oklch(93.7% 0.035 147.9)
-
Step 200
200
#BBE6C0
oklch(88.4% 0.068 148.2)
-
Step 300
300
#87D792
oklch(81% 0.125 147.6)
-
Step 400
400 (this color)
#03B849
oklch(68.3% 0.198 147.8)
-
Step 500
500
#00A641
oklch(63.2% 0.184 147.9)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#00501B
oklch(37.6% 0.109 147.8)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#03B849 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) | #BAA63D | 0.156 |
| Deuteranopia (no green cones) | #A99B52 | 0.153 |
| Tritanopia (no blue cones) | #00B4A0 | 0.116 |
| Achromatopsia (no color) | #9F9F9F | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03B849
#03B849
oklch(68.3% 0.198 147.8)
- #D764D6
#D764D6
oklch(68.3% 0.198 327.8)
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 #03B849, closest first.
No curated palette has a color within ΔE 0.04 of #03B849.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.013
- Shamrock Green #02C14D ΔE 0.026
- Leafy Green #51B73B ΔE 0.029
- Medium Green #39AD48 ΔE 0.033
- Cool Green #33B864 ΔE 0.035
- Kelly Green #02AB2E ΔE 0.040
- Grass #5CAC2D ΔE 0.045
- Frog Green #58BC08 ΔE 0.048
Use #03B849 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.