#64AA4E
Closest named color: Fern (#63A950). oklch(67.1% 0.145 138.7), rgb(100, 170, 78).
Aa
Black text reads best on this color (7.40:1).
About this color
#64AA4E is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.145 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.004 away. Black text reads best on it, at 7.40:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #64AA4E |
| RGB | rgb(100, 170, 78) |
| HSL | hsl(106, 37%, 49%) |
| OKLCH | oklch(67.1% 0.145 138.7) |
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 #64AA4E | 2.83:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #64AA4E | 7.40:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #64AA4E text on white | 2.83:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #64AA4E text on black | 7.40:1 | AAA | Lc -47.6 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EEDE
oklch(93.5% 0.025 139.8)
-
Step 200
200
#C9E2C2
oklch(88.6% 0.051 138.9)
-
Step 300
300
#A3CF96
oklch(80.8% 0.091 138.6)
-
Step 400
400 (this color)
#64AA4E
oklch(67.1% 0.145 138.7)
-
Step 500
500
#44A21C
oklch(63.1% 0.186 138.7)
-
Step 600
600
#328900
oklch(55.5% 0.174 138.7)
-
Step 700
700
#287400
oklch(49.2% 0.155 138.8)
-
Step 800
800
#205F00
oklch(42.8% 0.134 138.7)
-
Step 900
900
#194F00
oklch(37.7% 0.118 138.8)
-
Step 950
950
#102F05
oklch(27.1% 0.077 138.7)
#64AA4E 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) | #AF9D45 | 0.098 |
| Deuteranopia (no green cones) | #A59754 | 0.097 |
| Tritanopia (no blue cones) | #5FA595 | 0.098 |
| Achromatopsia (no color) | #999999 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64AA4E
#64AA4E
oklch(67.1% 0.145 138.7)
- #BB76CE
#BB76CE
oklch(67.1% 0.145 318.7)
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 #64AA4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.004
- Dark Pastel Green #56AE57 ΔE 0.015
- Mid Green #50A747 ΔE 0.023
- Off Green #6BA353 ΔE 0.023
- Leaf #71AA34 ΔE 0.024
- Asparagus #77AB56 ΔE 0.024
- Algae #54AC68 ΔE 0.029
- Boring Green #63B365 ΔE 0.031
Use #64AA4E 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.