#64AA23
Closest named color: Grass (#5CAC2D). oklch(66.6% 0.176 133.8), rgb(100, 170, 35).
Aa
Black text reads best on this color (7.31:1).
About this color
#64AA23 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.176 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.008 away. Black text reads best on it, at 7.31:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.31:1 |
| White text | 2.87:1 |
Values
| HEX | #64AA23 |
| RGB | rgb(100, 170, 35) |
| HSL | hsl(91, 66%, 40%) |
| OKLCH | oklch(66.6% 0.176 133.8) |
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 #64AA23 | 2.87:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #64AA23 | 7.31:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #64AA23 text on white | 2.87:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #64AA23 text on black | 7.31:1 | AAA | Lc -47.2 | 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 500.
-
Step 50
50
#F2F7EF
oklch(97% 0.012 133.4)
-
Step 100
100
#E3EEDD
oklch(93.6% 0.025 134.3)
-
Step 200
200
#CDE1C1
oklch(88.6% 0.048 133.7)
-
Step 300
300
#AACD94
oklch(80.8% 0.086 133.7)
-
Step 400
400
#7CB355
oklch(70.7% 0.138 133.8)
-
Step 500
500 (this color)
#64AA23
oklch(66.6% 0.176 133.8)
-
Step 600
600
#498600
oklch(55.7% 0.159 133.9)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#315C00
oklch(42.6% 0.122 133.6)
-
Step 900
900
#284D00
oklch(37.7% 0.108 133.7)
-
Step 950
950
#162E03
oklch(27.1% 0.074 134.4)
#64AA23 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) | #B19C00 | 0.102 |
| Deuteranopia (no green cones) | #A79632 | 0.103 |
| Tritanopia (no blue cones) | #64A391 | 0.130 |
| Achromatopsia (no color) | #989898 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64AA23
#64AA23
oklch(66.6% 0.176 133.8)
- #BA6EDF
#BA6EDF
oklch(66.6% 0.177 313.6)
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 #64AA23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.008
- Leaf Green #5CA904 ΔE 0.015
- Leaf #71AA34 ΔE 0.020
- Mid Green #50A747 ΔE 0.033
- Leafy Green #51B73B ΔE 0.036
- Medium Green #39AD48 ΔE 0.036
- Fern #63A950 ΔE 0.037
- Dark Pastel Green #56AE57 ΔE 0.040
Use #64AA23 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.