#EFF3BF
Closest named color: Light Tan (#FBEEAC). oklch(94.8% 0.067 111.3), rgb(239, 243, 191).
Aa
Black text reads best on this color (18.24:1).
About this color
#EFF3BF is a very light, muted yellow. In OKLCH its lightness is 95%, its chroma 0.067 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Tan (#FBEEAC), ΔE 0.025 away. Black text reads best on it, at 18.24:1.
| Hue family | Yellows |
| Lightness | very light (95%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Light Tan (#FBEEAC) |
| Black text | 18.24:1 |
| White text | 1.15:1 |
Values
| HEX | #EFF3BF |
| RGB | rgb(239, 243, 191) |
| HSL | hsl(65, 68%, 85%) |
| OKLCH | oklch(94.8% 0.067 111.3) |
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 #EFF3BF | 1.15:1 | Fails | Lc -8.3 | Not readable |
| Black text on #EFF3BF | 18.24:1 | AAA | Lc 96.5 | Preferred for body text |
| #EFF3BF text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #EFF3BF text on black | 18.24:1 | AAA | Lc -97.3 | Preferred for body 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 100.
-
Step 50
50
#F5F6EE
oklch(97% 0.011 112.4)
-
Step 100
100 (this color)
#EFF3BF
oklch(94.8% 0.067 111.3)
-
Step 200
200
#DADDB9
oklch(88.6% 0.048 111.2)
-
Step 300
300
#C2C684
oklch(80.8% 0.087 111.1)
-
Step 400
400
#A4A82F
oklch(70.6% 0.139 111.4)
-
Step 500
500
#8D9000
oklch(63% 0.139 111.3)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
Step 700
700
#646600
oklch(49.2% 0.108 111.1)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#EFF3BF 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) | #FBEEBC | 0.019 |
| Deuteranopia (no green cones) | #FCF0C1 | 0.019 |
| Tritanopia (no blue cones) | #F6EDE5 | 0.059 |
| Achromatopsia (no color) | #EFEFEF | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFF3BF
#EFF3BF
oklch(94.8% 0.067 111.3)
- #EEEBFF
#EEEBFF
oklch(94.8% 0.027 292.8)
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 #EFF3BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Tan #FBEEAC ΔE 0.025
- Light Goldenrod Yellow #FAFAD2 ΔE 0.031
- Pale Goldenrod #EEE8AA ΔE 0.032
- Lemon Chiffon #FFFACD ΔE 0.032
- Egg Shell #FFFCC4 ΔE 0.033
- Pale #FFF9D0 ΔE 0.033
- Pale Peach #FFE5AD ΔE 0.038
- Beige #F5F5DC ΔE 0.038
Use #EFF3BF 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.