#64A181
Closest named color: Dull Teal (#5F9E8F). oklch(65.8% 0.08 160.2), rgb(100, 161, 129).
Aa
Black text reads best on this color (6.95:1).
About this color
#64A181 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.080 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.025 away. Black text reads best on it, at 6.95:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 6.95:1 |
| White text | 3.01:1 |
Values
| HEX | #64A181 |
| RGB | rgb(100, 161, 129) |
| HSL | hsl(149, 24%, 51%) |
| OKLCH | oklch(65.8% 0.08 160.2) |
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 #64A181 | 3.01:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #64A181 | 6.95:1 | AA | Lc 47.2 | Large or bold text, headings |
| #64A181 text on white | 3.01:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #64A181 text on black | 6.95:1 | AA | Lc -44.9 | 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CEDED4
oklch(88.6% 0.022 158.5)
-
Step 300
300
#ACC9B8
oklch(81% 0.039 159.7)
-
Step 400
400
#7EAD93
oklch(70.6% 0.063 160)
-
Step 500
500 (this color)
#64A181
oklch(65.8% 0.08 160.2)
-
Step 600
600
#408362
oklch(55.6% 0.087 160.3)
-
Step 700
700
#316F51
oklch(49.2% 0.081 160.2)
-
Step 800
800
#2A5A42
oklch(42.6% 0.067 159.9)
-
Step 900
900
#274A38
oklch(37.7% 0.052 160.1)
-
Step 950
950
#172B21
oklch(26.8% 0.032 161.4)
#64A181 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) | #A0997F | 0.077 |
| Deuteranopia (no green cones) | #969283 | 0.074 |
| Tritanopia (no blue cones) | #56A198 | 0.034 |
| Achromatopsia (no color) | #949494 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A181
#64A181
oklch(65.8% 0.08 160.2)
- #B37EA1
#B37EA1
oklch(65.7% 0.081 339.9)
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 #64A181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.025
- Grey Teal #5E9B8A ΔE 0.026
- Greeny Grey #7EA07A ΔE 0.029
- Tea #65AB7C ΔE 0.033
- Grey Green #86A17D ΔE 0.039
- Dusty Green #76A973 ΔE 0.040
- Green Grey #77926F ΔE 0.044
- Ocean Green #3D9973 ΔE 0.049
Use #64A181 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.