#669F7C
Closest named color: Grey Teal (#5E9B8A). oklch(65.3% 0.08 156.4), rgb(102, 159, 124).
Aa
Black text reads best on this color (6.81:1).
About this color
#669F7C is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.080 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.028 away. Black text reads best on it, at 6.81:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #669F7C |
| RGB | rgb(102, 159, 124) |
| HSL | hsl(143, 23%, 51%) |
| OKLCH | oklch(65.3% 0.08 156.4) |
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 #669F7C | 3.08:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #669F7C | 6.81:1 | AA | Lc 46.4 | Large or bold text, headings |
| #669F7C text on white | 3.08:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #669F7C text on black | 6.81:1 | AA | Lc -44.1 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CEDED3
oklch(88.5% 0.023 155.9)
-
Step 300
300
#ADC9B6
oklch(81% 0.04 155.7)
-
Step 400
400
#81AD91
oklch(70.8% 0.063 156.5)
-
Step 500
500 (this color)
#669F7C
oklch(65.3% 0.08 156.4)
-
Step 600
600
#44835E
oklch(55.7% 0.088 156.3)
-
Step 700
700
#356E4D
oklch(49% 0.081 156.3)
-
Step 800
800
#2D5A40
oklch(42.7% 0.067 156.7)
-
Step 900
900
#294A36
oklch(37.7% 0.052 156.2)
-
Step 950
950
#182B20
oklch(26.9% 0.032 157.9)
#669F7C 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) | #9E977A | 0.073 |
| Deuteranopia (no green cones) | #95907E | 0.072 |
| Tritanopia (no blue cones) | #5B9E95 | 0.038 |
| Achromatopsia (no color) | #939393 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669F7C
#669F7C
oklch(65.3% 0.08 156.4)
- #B07DA2
#B07DA2
oklch(65.2% 0.081 336.9)
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 #669F7C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.028
- Greeny Grey #7EA07A ΔE 0.028
- Dull Teal #5F9E8F ΔE 0.029
- Tea #65AB7C ΔE 0.035
- Green Grey #77926F ΔE 0.038
- Grey Green #86A17D ΔE 0.039
- Dusty Green #76A973 ΔE 0.040
- Moss #769958 ΔE 0.044
Use #669F7C 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.