#04A144
Closest named color: Grass Green (#3F9B0B). oklch(61.9% 0.175 148.8), rgb(4, 161, 68).
Aa
Black text reads best on this color (6.18:1).
About this color
#04A144 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.175 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.036 away. Black text reads best on it, at 6.18:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #04A144 |
| RGB | rgb(4, 161, 68) |
| HSL | hsl(144, 95%, 32%) |
| OKLCH | oklch(61.9% 0.175 148.8) |
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 #04A144 | 3.39:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #04A144 | 6.18:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #04A144 text on white | 3.39:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #04A144 text on black | 6.18:1 | AA | Lc -41.0 | 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 500.
-
Step 50
50
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE1
oklch(93.6% 0.025 149.1)
-
Step 200
200
#C4E2C8
oklch(88.4% 0.047 149)
-
Step 300
300
#9AD0A2
oklch(80.8% 0.085 148.7)
-
Step 400
400
#5CB86F
oklch(70.7% 0.138 148.6)
-
Step 500
500 (this color)
#04A144
oklch(61.9% 0.175 148.8)
-
Step 600
600
#008B39
oklch(55.6% 0.158 148.7)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800
#006025
oklch(42.7% 0.121 148.7)
-
Step 900
900
#00501E
oklch(37.6% 0.107 148.8)
-
Step 950
950
#043011
oklch(27.2% 0.072 148.7)
#04A144 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) | #A2923B | 0.139 |
| Deuteranopia (no green cones) | #94874B | 0.139 |
| Tritanopia (no blue cones) | #009E8C | 0.100 |
| Achromatopsia (no color) | #8B8B8B | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04A144
#04A144
oklch(61.9% 0.175 148.8)
- #BC58B9
#BC58B9
oklch(61.8% 0.175 328.6)
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 #04A144, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.036
- Grassy Green #419C03 ΔE 0.037
- Irish Green #019529 ΔE 0.039
- Kelly Green #02AB2E ΔE 0.039
- Kelley Green #009337 ΔE 0.042
- Mid Green #50A747 ΔE 0.043
- Medium Green #39AD48 ΔE 0.043
- True Green #089404 ΔE 0.050
Use #04A144 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.