#00664A
Closest named color: Spruce (#0A5F38). oklch(45.3% 0.094 166.2), rgb(0, 102, 74).
Aa
White text reads best on this color (7.00:1).
About this color
#00664A is a medium-dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.094 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.029 away. White text reads best on it, at 7.00:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #00664A |
| RGB | rgb(0, 102, 74) |
| HSL | hsl(164, 100%, 20%) |
| OKLCH | oklch(45.3% 0.094 166.2) |
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 #00664A | 7.00:1 | AAA | Lc -88.7 | Fine for body text |
| Black text on #00664A | 2.99:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #00664A text on white | 7.00:1 | AAA | Lc 83.7 | Fine for body text |
| #00664A text on black | 2.99:1 | Fails | Lc -18.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C7E0D5
oklch(88.5% 0.03 167.4)
-
Step 300
300
#A0CCB9
oklch(80.8% 0.054 166.8)
-
Step 400
400
#68B294
oklch(70.7% 0.087 166)
-
Step 500
500
#349F7A
oklch(63.2% 0.112 166.1)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800 (this color)
#00664A
oklch(45.3% 0.094 166.2)
-
Step 900
900
#0B4E39
oklch(37.8% 0.073 166.2)
-
Step 950
950
#0B2E21
oklch(27.2% 0.047 165.1)
#00664A 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) | #635E48 | 0.092 |
| Deuteranopia (no green cones) | #59564C | 0.090 |
| Tritanopia (no blue cones) | #00665E | 0.032 |
| Achromatopsia (no color) | #595959 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00664A
#00664A
oklch(45.3% 0.094 166.2)
- #7A3F61
#7A3F61
oklch(45.3% 0.093 345.8)
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 #00664A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.029
- Dark Green Blue #1F6357 ΔE 0.030
- Pine #2B5D34 ΔE 0.036
- Dark Aqua #05696B ΔE 0.052
- Petrol #005F6A ΔE 0.064
- Dark Aquamarine #017371 ΔE 0.065
- Dark Blue Green #005249 ΔE 0.067
- Deep Turquoise #017374 ΔE 0.069
Use #00664A 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.