#63A018
Closest named color: Leaf Green (#5CA904). oklch(64% 0.17 132.1), rgb(99, 160, 24).
Aa
Black text reads best on this color (6.57:1).
About this color
#63A018 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.170 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.028 away. Black text reads best on it, at 6.57:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #63A018 |
| RGB | rgb(99, 160, 24) |
| HSL | hsl(87, 74%, 36%) |
| OKLCH | oklch(64% 0.17 132.1) |
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 #63A018 | 3.19:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #63A018 | 6.57:1 | AA | Lc 45.2 | Large or bold text, headings |
| #63A018 text on white | 3.19:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #63A018 text on black | 6.57:1 | AA | Lc -42.8 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EEDD
oklch(93.7% 0.025 132.1)
-
Step 200
200
#CEE0C1
oklch(88.5% 0.046 132.1)
-
Step 300
300
#ADCC95
oklch(80.8% 0.082 131.9)
-
Step 400
400
#81B256
oklch(70.8% 0.133 132.1)
-
Step 500
500 (this color)
#63A018
oklch(64% 0.17 132.1)
-
Step 600
600
#4F8500
oklch(55.7% 0.155 132.1)
-
Step 700
700
#417000
oklch(49.2% 0.137 132.3)
-
Step 800
800
#355B00
oklch(42.6% 0.118 131.9)
-
Step 900
900
#2B4C00
oklch(37.6% 0.105 132.1)
-
Step 950
950
#192D03
oklch(27% 0.07 131.8)
#63A018 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) | #A79300 | 0.094 |
| Deuteranopia (no green cones) | #9F8E29 | 0.095 |
| Tritanopia (no blue cones) | #649988 | 0.128 |
| Achromatopsia (no color) | #909090 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A018
#63A018
oklch(64% 0.17 132.1)
- #AE69D5
#AE69D5
oklch(64% 0.169 312)
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 #63A018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.028
- Grass #5CAC2D ΔE 0.032
- Mid Green #50A747 ΔE 0.033
- Leaf #71AA34 ΔE 0.037
- Grassy Green #419C03 ΔE 0.037
- Grass Green #3F9B0B ΔE 0.039
- Fern #63A950 ΔE 0.044
- Flat Green #699D4C ΔE 0.045
Use #63A018 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.